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31368525306 = 2313774351361
BaseRepresentation
bin11101001101101101…
…011011010111111010
32222222010102012011120
4131031231123113322
51003220320302211
622224400210110
72160225031356
oct351555332772
988863365146
1031368525306
1112337795388
1260b5309936
132c5ba735a1
1417380c6466
15c38d52d06
hex74db5b5fa

31368525306 has 32 divisors (see below), whose sum is σ = 63281271168. Its totient is φ = 10365680640.

The previous prime is 31368525263. The next prime is 31368525311. The reversal of 31368525306 is 60352586313.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585066 + ... + 636426.

It is an arithmetic number, because the mean of its divisors is an integer number (1977539724).

Almost surely, 231368525306 is an apocalyptic number.

31368525306 is an abundant number, since it is smaller than the sum of its proper divisors (31912745862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31368525306 is a wasteful number, since it uses less digits than its factorization.

31368525306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52246.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 31368525306 in words is "thirty-one billion, three hundred sixty-eight million, five hundred twenty-five thousand, three hundred six".

Divisors: 1 2 3 6 137 274 411 743 822 1486 2229 4458 51361 101791 102722 154083 203582 305373 308166 610746 7036457 14072914 21109371 38161223 42218742 76322446 114483669 228967338 5228087551 10456175102 15684262653 31368525306